CVE DATABASE / CVE-2023-22515
CVE-2023-22515
Atlassian Confluence Data Center and Server Broken Access Control Vulnerability
Confirmed exploited in the wild. Added 2023-10-05.
Federal remediation due 2023-10-13.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check all affected Confluence instances for evidence of compromise per vendor instructions and report any positive findings to CISA.
Summary
Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server instances to create unauthorized Confluence administrator accounts and access Confluence instances.Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.
CVSS 3.1 breakdown
| Base score | 9.8 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- http://packetstormsecurity.com/files/175225/Atlassian-Confluence-Unauthenticated-Remote-Code-Execution.html
- https://confluence.atlassian.com/display/KB/FAQ+for+CVE-2023-22515
- https://confluence.atlassian.com/pages/viewpage.action?pageId=1295682276
- https://jira.atlassian.com/browse/CONFSERVER-92475
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22515
Data: NIST NVD + CISA KEV. NVD last modified 2026-03-25. Always verify against the vendor advisory before acting.